Home / 49,670.52-74,578.68-31,030

Finding the Fourth Proportional to 49,670.52, 74,578.68 and 31,030

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Solution

The fourth proportional to 49,670.52, 74,578.68 and 31,030 is: 46,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,670.52 : 74,578.68 = 31,030 : x
  2. Step 2: Convert to fraction form
    49,670.52/74,578.68 = 31,030/x
  3. Step 3: Cross multiply
    49,670.52x = 74,578.68 × 31,030
  4. Step 4: Simplify right side
    49,670.52x = 2,314,176,440.40
  5. Step 5: Solve for x
    x = 2,314,176,440.40/49,670.52
  6. Step 6: Final answer
    x = 46,590.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.